參數(shù)資料
型號(hào): M52S128168A
廠商: Elite Semiconductor Memory Technology Inc.
英文描述: 1M x 16 Bit x 4 Banks Synchronous DRAM
中文描述: 100萬× 16位× 4個(gè)銀行同步DRAM
文件頁(yè)數(shù): 19/47頁(yè)
文件大小: 1213K
代理商: M52S128168A
ES MT
BASIC FEATURE AND FUNCTION DESCRIPTIONS
1. CLOCK Suspend
1) Cl oc k S u sp end ed D ur in g W ri t e ( B L= 4)
Preliminary
M52S128168A
Elite Semiconductor Memory Technology Inc.
Revision
:
1.0
Publication Date
:
May. 2007
19/47
2. DQM Operation
*Note :1. CKE to CLK disable/enable = 1CLK.
2. DQM masks data out Hi-Z after 2CLKs which should masked by CKE ”L”.
3. DQM masks both data-in and data-out.
CLK
C M D
DQ M
DQ(CL2)
DQ(CL3)
R D
Q0
Q2
Q3
Q1
Q2
Q3
D0
D1
D3
D1
D3
D0
W R
Ma s k e d b y D Q M
Ma s k e d b y D Q M
CLK
C M D
DQ M
DQ(CL2)
DQ(CL3)
CKE
R D
Q0
Q2
Q4
Hi - Z
Hi - Z
Hi - Z
Q6
Q7
Q8
Q5
Q6
Q7
Q1
Q3
Hi - Z
Hi - Z
Hi - Z
Hi - Z
Hi - Z
1 ) W r i t e M a s k ( B L = 4 )
2) R e ad M as k ( B L = 4 )
DQM to Data-in M ask= 0
DQM to Data-out Mask=2
3) D Q M wi t h c l c ok s u s p en d ed ( F u l l P a g e Re ad )
*Not e 2
Internal
CLK
Q9
Q8
CLK
CMD
CK E
Internal
CLK
DQ (CL2)
DQ (CL3)
RD
Q2
Q0
Q1
Q3
Q0
Q1
Q3
D0
D1
D2
D3
D1
D2
D3
D0
WR
Masked by CKE
2 ) C lo c k S u s pe nd ed D ur i ng R ead ( B L =4 )
Not W ri tten
Suspended Dout
Q2
相關(guān)PDF資料
PDF描述
M52S128168A-10BG 1M x 16 Bit x 4 Banks Synchronous DRAM
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M52S128168A_08 制造商:ESMT 制造商全稱:Elite Semiconductor Memory Technology Inc. 功能描述:2M x 16 Bit x 4 Banks Synchronous DRAM
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M52S128168A-7.5TG 制造商:ELITE SEMICONDUCTOR 功能描述:SDRAM 128MB 2.5V 133MHZ TSOPII54